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freebsd-nq/sys/dev/buslogic/bt_eisa.c
Justin T. Gibbs 1652f91eb5 Fix a typo. 
PR: 10722
Submitted by:	Chris Costello <chris@holly.dyndns.org>
1999-03-23 07:27:38 +00:00

339 lines
8.4 KiB
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/*
* Product specific probe and attach routines for:
* Buslogic BT74x SCSI controllers
*
* Copyright (c) 1995, 1998, 1999 Justin T. Gibbs
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: bt_eisa.c,v 1.2 1999/03/08 21:35:03 gibbs Exp $
*/
#include "eisa.h"
#if NEISA > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <i386/eisa/eisaconf.h>
#include <dev/buslogic/btreg.h>
#define EISA_DEVICE_ID_BUSLOGIC_74X_B 0x0ab34201
#define EISA_DEVICE_ID_BUSLOGIC_74X_C 0x0ab34202
#define EISA_DEVICE_ID_SDC3222F 0x0ab34781
#define EISA_DEVICE_ID_AMI_4801 0x05a94801
#define BT_IOSIZE 0x04 /* Move to central header */
#define BT_EISA_IOSIZE 0x100
#define BT_EISA_SLOT_OFFSET 0xc00
#define EISA_IOCONF 0x08C
#define PORTADDR 0x07
#define PORT_330 0x00
#define PORT_334 0x01
#define PORT_230 0x02
#define PORT_234 0x03
#define PORT_130 0x04
#define PORT_134 0x05
#define IRQ_CHANNEL 0xe0
#define INT_11 0x40
#define INT_10 0x20
#define INT_15 0xa0
#define INT_12 0x60
#define INT_14 0x80
#define INT_9 0x00
#define EISA_IRQ_TYPE 0x08D
#define LEVEL 0x40
/* Definitions for the AMI Series 48 controler */
#define AMI_EISA_IOSIZE 0x500 /* Two separate ranges?? */
#define AMI_EISA_SLOT_OFFSET 0x800
#define AMI_EISA_IOCONF 0x000
#define AMI_DMA_CHANNEL 0x03
#define AMI_IRQ_CHANNEL 0x1c
#define AMI_INT_15 0x14
#define AMI_INT_14 0x10
#define AMI_INT_12 0x0c
#define AMI_INT_11 0x00
#define AMI_INT_10 0x08
#define AMI_INT_9 0x04
#define AMI_BIOS_ADDR 0xe0
#define AMI_EISA_IOCONF1 0x001
#define AMI_PORTADDR 0x0e
#define AMI_PORT_334 0x08
#define AMI_PORT_330 0x00
#define AMI_PORT_234 0x0c
#define AMI_PORT_230 0x04
#define AMI_PORT_134 0x0a
#define AMI_PORT_130 0x02
#define AMI_IRQ_LEVEL 0x01
#define AMI_MISC2_OPTIONS 0x49E
#define AMI_ENABLE_ISA_DMA 0x08
static int bt_eisa_probe(void);
static int bt_eisa_attach(struct eisa_device *e_dev);
static struct eisa_driver bt_eisa_driver = {
"bt",
bt_eisa_probe,
bt_eisa_attach,
/*shutdown*/NULL,
&bt_unit
};
DATA_SET (eisadriver_set, bt_eisa_driver);
static const char *bt_match(eisa_id_t type);
static const char*
bt_match(eisa_id_t type)
{
switch(type) {
case EISA_DEVICE_ID_BUSLOGIC_74X_B:
return ("Buslogic 74xB SCSI host adapter");
break;
case EISA_DEVICE_ID_BUSLOGIC_74X_C:
return ("Buslogic 74xC SCSI host adapter");
break;
case EISA_DEVICE_ID_SDC3222F:
return ("Storage Dimensions SDC3222F SCSI host adapter");
break;
case EISA_DEVICE_ID_AMI_4801:
return ("AMI Series 48 SCSI host adapter");
break;
default:
break;
}
return (NULL);
}
static int
bt_eisa_probe(void)
{
u_long iobase;
struct eisa_device *e_dev = NULL;
int count;
count = 0;
while ((e_dev = eisa_match_dev(e_dev, bt_match))) {
struct bt_softc *bt;
struct bt_probe_info info;
u_long port;
u_long iosize;
u_int ioconf;
iobase = (e_dev->ioconf.slot * EISA_SLOT_SIZE);
if (e_dev->id == EISA_DEVICE_ID_AMI_4801) {
u_int ioconf1;
iobase += AMI_EISA_SLOT_OFFSET;
iosize = AMI_EISA_IOSIZE;
ioconf1 = inb(iobase + AMI_EISA_IOCONF1);
/* Determine "ISA" I/O port */
switch (ioconf1 & AMI_PORTADDR) {
case AMI_PORT_330:
port = 0x330;
break;
case AMI_PORT_334:
port = 0x334;
break;
case AMI_PORT_230:
port = 0x230;
break;
case AMI_PORT_234:
port = 0x234;
break;
case AMI_PORT_134:
port = 0x134;
break;
case AMI_PORT_130:
port = 0x130;
break;
default:
/* Disabled */
printf("bt: AMI EISA Adapter at "
"slot %d has a disabled I/O "
"port. Cannot attach.\n",
e_dev->ioconf.slot);
continue;
}
} else {
iobase += BT_EISA_SLOT_OFFSET;
iosize = BT_EISA_IOSIZE;
ioconf = inb(iobase + EISA_IOCONF);
/* Determine "ISA" I/O port */
switch (ioconf & PORTADDR) {
case PORT_330:
port = 0x330;
break;
case PORT_334:
port = 0x334;
break;
case PORT_230:
port = 0x230;
break;
case PORT_234:
port = 0x234;
break;
case PORT_130:
port = 0x130;
break;
case PORT_134:
port = 0x134;
break;
default:
/* Disabled */
printf("bt: Buslogic EISA Adapter at "
"slot %d has a disabled I/O "
"port. Cannot attach.\n",
e_dev->ioconf.slot);
continue;
}
}
bt_mark_probed_iop(port);
/* Allocate a softc for use during probing */
bt = bt_alloc(BT_TEMP_UNIT, I386_BUS_SPACE_IO, port);
if (bt == NULL) {
printf("bt_eisa_probe: Could not allocate softc for "
"card at slot 0x%x\n", e_dev->ioconf.slot);
continue;
}
if (bt_port_probe(bt, &info) != 0) {
printf("bt_eisa_probe: Probe failed for "
"card at slot 0x%x\n", e_dev->ioconf.slot);
} else {
eisa_add_iospace(e_dev, iobase, iosize, RESVADDR_NONE);
eisa_add_iospace(e_dev, port, BT_IOSIZE, RESVADDR_NONE);
eisa_add_intr(e_dev, info.irq);
eisa_registerdev(e_dev, &bt_eisa_driver);
count++;
}
bt_free(bt);
}
return count;
}
static int
bt_eisa_attach(struct eisa_device *e_dev)
{
struct bt_softc *bt;
int unit = e_dev->unit;
int irq;
resvaddr_t *ioport;
resvaddr_t *eisa_ioport;
if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
return (-1);
irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
/*
* The addresses are sorted in increasing order
* so we know the port to pass to the core bt
* driver comes first.
*/
ioport = e_dev->ioconf.ioaddrs.lh_first;
if (ioport == NULL)
return -1;
eisa_ioport = ioport->links.le_next;
if (eisa_ioport == NULL)
return -1;
eisa_reg_start(e_dev);
if (eisa_reg_iospace(e_dev, ioport))
return -1;
if (eisa_reg_iospace(e_dev, eisa_ioport))
return -1;
if ((bt = bt_alloc(unit, I386_BUS_SPACE_IO, ioport->addr)) == NULL)
return -1;
/* Allocate a dmatag for our SCB DMA maps */
/* XXX Should be a child of the PCI bus dma tag */
if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/0, /*boundary*/0,
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/BUS_SPACE_UNRESTRICTED,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &bt->parent_dmat) != 0) {
bt_free(bt);
return -1;
}
if (eisa_reg_intr(e_dev, irq, bt_intr, (void *)bt, &cam_imask,
/*shared ==*/bt->level_trigger_ints ? 1 : 0)) {
bt_free(bt);
return -1;
}
eisa_reg_end(e_dev);
/*
* Now that we know we own the resources we need, do the full
* card initialization.
*/
if (bt_probe(bt) || bt_fetch_adapter_info(bt) || bt_init(bt)) {
bt_free(bt);
/*
* The board's IRQ line will not be left enabled
* if we can't intialize correctly, so its safe
* to release the irq.
*/
eisa_release_intr(e_dev, irq, bt_intr);
return -1;
}
/* Attach sub-devices - always succeeds */
bt_attach(bt);
if (eisa_enable_intr(e_dev, irq)) {
bt_free(bt);
eisa_release_intr(e_dev, irq, bt_intr);
return -1;
}
return 0;
}
#endif /* NEISA > 0 */
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